I don't believe they still exist, but they did the upfit of my 55 1st series 3600 to NAPCO 4x4. I bought the truck in Salem in 92, and that's what the previous owner told me. They are listed in NAPCO News letters I have.


1956 GMC 100 NAPCO Deluxe
1955.1 Chevy 3600 NAPCO
1954 Chevy 3600 NAPCO